First search for 2ε and εβ+ decay of 174Hf
- DANEVICH F.A.
- HULT MIKAEL
- KASPEROVYCH DIMA
- KOVTUN G.P.
- KOVTUN K.V.
- LUTTER GUILLAUME
- MARISSENS GERD
- POLISCHUK IKSANA
- STETSENKO S.P.
- TRETYAK V.I.
DOIAbstract
The first ever search for 2ε and εβ+ decay of 174Hf was realized using a high-pure sample of hafnium (with mass 179.8 g) and the ultra low-background HPGe-detector system located 225 m underground. After 75 days of data taking no indication of the double beta decay transitions could be detected but lower limits for the half-lives of the different channels and modes of the decays were set on the level of limT1/2 ∼ 10E16 − 10E18 a.JRC.G.2-Standards for Nuclear Safety, Security and Safeguard
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